About: http://webisa.webdatacommons.org/314836675

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	ther strategies; however, the kinds of promising plastic materials are so few that the degree of freedom in the design of optical elements is quite limited in various terms including cost.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com